QUESTION IMAGE
Question
find the area of the trapezoid.
enter the correct answer in the box.
in²
Step1: 确定梯形参数
梯形的上底$a=7\ \text{in}$,下底$b=15\ \text{in}$,高$h=15\ \text{in}$
Step2: 代入梯形面积公式
梯形面积公式为$S=\frac{(a+b)h}{2}$,代入得:
$S=\frac{(7+15)\times15}{2}$
Step3: 计算最终结果
先算括号内:$7+15=22$,再算乘法:$22\times15=330$,最后算除法:$\frac{330}{2}=165$
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165 $\text{in}^2$